Smart_WaterHeater/stm32/HARDWARE/LCD/Lcd_Driver.c

#include "stm32f10x.h"
#include "Lcd_Driver.h"
#include "LCD_Config.h"
#include "delay.h"

//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Գ<EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD>SPI<EFBFBD>ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɸ<EFBFBD><EFBFBD>Ľӿ<EFBFBD>IO<EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>4 IO<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɱ<EFBFBD><EFBFBD><EFBFBD>Һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ
/******************************************************************************
<EFBFBD>ӿڶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Lcd_Driver.h<EFBFBD>ڶ<EFBFBD><EFBFBD>壬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>޸IJ<EFBFBD><EFBFBD>޸<EFBFBD><EFBFBD><EFBFBD>ӦIO<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>LCD_GPIO_Init()
#define LCD_CTRL   	  	GPIOB		//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>TFT<EFBFBD><EFBFBD><EFBFBD>ݶ˿<EFBFBD>
#define LCD_LED        	
#define LCD_RS         	GPIO_Pin_11 	//PB11--->>TFT --RS/DC
#define LCD_CS        	GPIO_Pin_12  //PB11--->>TFT --CS/CE
#define LCD_RST     		 
#define LCD_SCL        	GPIO_Pin_13	//PB13--->>TFT --SCL/SCK
#define LCD_SDA        	GPIO_Pin_15	//PB15 MOSI--->>TFT --SDA/DIN
*******************************************************************************/


//Һ<EFBFBD><EFBFBD>IO<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void LCD_GPIO_Init(void)
{
	GPIO_InitTypeDef  GPIO_InitStructure;
	      
	RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOB ,ENABLE);
	
	GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_1| GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14| GPIO_Pin_15;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
	GPIO_Init(GPIOB, &GPIO_InitStructure);
}

//<EFBFBD><EFBFBD>SPI<EFBFBD><EFBFBD><EFBFBD>ߴ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>8λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void  SPI_WriteData(u8 Data)
{
	unsigned char i=0;
	for(i=8;i>0;i--)
	{
		if(Data&0x80)	
	  LCD_SDA_SET; //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
      else LCD_SDA_CLR;
	   
      LCD_SCL_CLR;       
      LCD_SCL_SET;
      Data<<=1; 
	}
}

//<EFBFBD><EFBFBD>Һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>дһ<EFBFBD><EFBFBD>8λָ<EFBFBD><EFBFBD>
void Lcd_WriteIndex(u8 Index)
{
   //SPI д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ʼ
   LCD_CS_CLR;
   LCD_RS_CLR;
	 SPI_WriteData(Index);
   LCD_CS_SET;
}

//<EFBFBD><EFBFBD>Һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>дһ<EFBFBD><EFBFBD>8λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void Lcd_WriteData(u8 Data)
{
   LCD_CS_CLR;
   LCD_RS_SET;
   SPI_WriteData(Data);
   LCD_CS_SET; 
}

//<EFBFBD><EFBFBD>Һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>дһ<EFBFBD><EFBFBD>16λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void LCD_WriteData_16Bit(u16 Data)
{
   LCD_CS_CLR;
   LCD_RS_SET;
	 SPI_WriteData(Data>>8); 	//д<EFBFBD><EFBFBD><EFBFBD>8λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 SPI_WriteData(Data); 			//д<EFBFBD><EFBFBD><EFBFBD>8λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
   LCD_CS_SET; 
}

void Lcd_WriteReg(u8 Index,u8 Data)
{
	Lcd_WriteIndex(Index);
  	Lcd_WriteData(Data);
}

void Lcd_Reset(void)
{
//	LCD_RST_CLR;
	delay_ms(100);
//	LCD_RST_SET;
	delay_ms(50);
}

//LCD Init For 1.44Inch LCD Panel with ST7735R.
void Lcd_Init(void)
{	
	LCD_GPIO_Init();
	Lcd_Reset(); //Reset before LCD Init.

	//LCD Init For 1.44Inch LCD Panel with ST7735R.
	Lcd_WriteIndex(0x11);//Sleep exit 
	delay_ms (120);
		
	//ST7735R Frame Rate
	Lcd_WriteIndex(0xB1); 
	Lcd_WriteData(0x01); 
	Lcd_WriteData(0x2C); 
	Lcd_WriteData(0x2D); 

	Lcd_WriteIndex(0xB2); 
	Lcd_WriteData(0x01); 
	Lcd_WriteData(0x2C); 
	Lcd_WriteData(0x2D); 

	Lcd_WriteIndex(0xB3); 
	Lcd_WriteData(0x01); 
	Lcd_WriteData(0x2C); 
	Lcd_WriteData(0x2D); 
	Lcd_WriteData(0x01); 
	Lcd_WriteData(0x2C); 
	Lcd_WriteData(0x2D); 
	
	Lcd_WriteIndex(0xB4); //Column inversion 
	Lcd_WriteData(0x07); 
	
	//ST7735R Power Sequence
	Lcd_WriteIndex(0xC0); 
	Lcd_WriteData(0xA2); 
	Lcd_WriteData(0x02); 
	Lcd_WriteData(0x84); 
	Lcd_WriteIndex(0xC1); 
	Lcd_WriteData(0xC5); 

	Lcd_WriteIndex(0xC2); 
	Lcd_WriteData(0x0A); 
	Lcd_WriteData(0x00); 

	Lcd_WriteIndex(0xC3); 
	Lcd_WriteData(0x8A); 
	Lcd_WriteData(0x2A); 
	Lcd_WriteIndex(0xC4); 
	Lcd_WriteData(0x8A); 
	Lcd_WriteData(0xEE); 
	
	Lcd_WriteIndex(0xC5); //VCOM 
	Lcd_WriteData(0x0E); 
	
	Lcd_WriteIndex(0x36); //MX, MY, RGB mode 
	Lcd_WriteData(0xC8); 
	
	//ST7735R Gamma Sequence
	Lcd_WriteIndex(0xe0); 
	Lcd_WriteData(0x0f); 
	Lcd_WriteData(0x1a); 
	Lcd_WriteData(0x0f); 
	Lcd_WriteData(0x18); 
	Lcd_WriteData(0x2f); 
	Lcd_WriteData(0x28); 
	Lcd_WriteData(0x20); 
	Lcd_WriteData(0x22); 
	Lcd_WriteData(0x1f); 
	Lcd_WriteData(0x1b); 
	Lcd_WriteData(0x23); 
	Lcd_WriteData(0x37); 
	Lcd_WriteData(0x00); 	
	Lcd_WriteData(0x07); 
	Lcd_WriteData(0x02); 
	Lcd_WriteData(0x10); 

	Lcd_WriteIndex(0xe1); 
	Lcd_WriteData(0x0f); 
	Lcd_WriteData(0x1b); 
	Lcd_WriteData(0x0f); 
	Lcd_WriteData(0x17); 
	Lcd_WriteData(0x33); 
	Lcd_WriteData(0x2c); 
	Lcd_WriteData(0x29); 
	Lcd_WriteData(0x2e); 
	Lcd_WriteData(0x30); 
	Lcd_WriteData(0x30); 
	Lcd_WriteData(0x39); 
	Lcd_WriteData(0x3f); 
	Lcd_WriteData(0x00); 
	Lcd_WriteData(0x07); 
	Lcd_WriteData(0x03); 
	Lcd_WriteData(0x10);  
	
	Lcd_WriteIndex(0x2a);
	Lcd_WriteData(0x00);
	Lcd_WriteData(0x00);
	Lcd_WriteData(0x00);
	Lcd_WriteData(0x7f);

	Lcd_WriteIndex(0x2b);
	Lcd_WriteData(0x00);
	Lcd_WriteData(0x00);
	Lcd_WriteData(0x00);
	Lcd_WriteData(0x9f);
	
	Lcd_WriteIndex(0xF0); //Enable test command  
	Lcd_WriteData(0x01); 
	Lcd_WriteIndex(0xF6); //Disable ram power save mode 
	Lcd_WriteData(0x00); 
	
	Lcd_WriteIndex(0x3A); //65k mode 
	Lcd_WriteData(0x05); 
	
	
	Lcd_WriteIndex(0x29);//Display on	 
}


/*************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>LCD_Set_Region
<EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>lcd<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>xy<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*************************************************/
void Lcd_SetRegion(u16 x_start,u16 y_start,u16 x_end,u16 y_end)
{		
	Lcd_WriteIndex(0x2a);
	Lcd_WriteData(0x00);
	Lcd_WriteData(x_start+2);
	Lcd_WriteData(0x00);
	Lcd_WriteData(x_end+2);

	Lcd_WriteIndex(0x2b);
	Lcd_WriteData(0x00);
	Lcd_WriteData(y_start+3);
	Lcd_WriteData(0x00);
	Lcd_WriteData(y_end+3);
	
	Lcd_WriteIndex(0x2c);

}

/*************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>LCD_Set_XY
<EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>lcd<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>xy<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*************************************************/
void Lcd_SetXY(u16 x,u16 y)
{
  	Lcd_SetRegion(x,y,x,y);
}

	
/*************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>LCD_DrawPoint
<EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*************************************************/
void Gui_DrawPoint(u16 x,u16 y,u16 Data)
{
	Lcd_SetRegion(x,y,x+1,y+1);
	LCD_WriteData_16Bit(Data);

}    

/*****************************************
 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD>TFTijһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ                          
 <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>color  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫֵ                                 
******************************************/
unsigned int Lcd_ReadPoint(u16 x,u16 y)
{
  unsigned int Data;
  Lcd_SetXY(x,y);

  //Lcd_ReadData();//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>
  //Data=Lcd_ReadData();
  Lcd_WriteData(Data);
  return Data;
}
/*************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Lcd_Clear
<EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD>ȫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫCOLOR
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*************************************************/
void Lcd_Clear(u16 Color)               
{	
   unsigned int i,m;
   Lcd_SetRegion(0,0,X_MAX_PIXEL-1,Y_MAX_PIXEL-1);
   Lcd_WriteIndex(0x2C);
   for(i=0;i<X_MAX_PIXEL;i++)
    for(m=0;m<Y_MAX_PIXEL;m++)
    {	
	  	LCD_WriteData_16Bit(Color);
    }   
}